Cosmetic changes to the sidebar

media/main.css

@@ -146,6 +146,11 @@ h3 {
 	transform: rotate(90deg);
 }
 
+.pane-header .codicon-chevron-down,
+.pane-header .codicon-chevron-right {
+	margin-left: 2px;
+}
+
 .pane-header .codicon.revert {
 	position:absolute;
 	right:0;

src/sidebar.ts

@@ -284,10 +284,10 @@ export class ModestSidebarProvider implements vscode.WebviewViewProvider {
                     <div class="pane vertical">
                         <div class="pane-header">
                             <div class="codicon codicon-chevron-right"></div>
-                            <h3 class="title" title="Distributions">Distributions</h3>
+                            <h3 class="title" title="Extra parameters">Extra parameters</h3>
                         </div>
                         <div class="pane-body">
-                            <ul class="option-list" id="distributions">There are no distributions.</ul>
+                            <ul class="option-list" id="distributions">There are no extra parameters.</ul>
                         </div>
                     </div>
                     <div class="pane vertical">